Compress Image to 400KB
Drop image — auto-compresses to 400KB · JPG output · 100% local
Target
400KBDrop image to compress to 400KB
Starts automatically — JPG · PNG · WebP · GIF
Select ImageHow to compress an image to 400KB
Drop your image
Drag & drop or select a JPG, PNG, WebP, GIF or BMP above.
Auto-compresses
Compression starts instantly — targeting 400KB with binary-search quality adjustment.
Smart quality search
Up to 8 passes adjusting JPEG quality and dimensions to get as close to your target as possible.
Download your image
A compressed JPG is ready immediately — processed entirely in your browser.